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243121245348 = 223157397325051
BaseRepresentation
bin1110001001101100100…
…1111100110010100100
3212020112112111220200110
43202123021330302210
512440403014322343
6303404404013020
723364525326322
oct3423311746244
9766475456613
10243121245348
119411a672053
123b150991170
1319c06c27977
14baa5016d12
1564cde9e833
hex389b27cca4

243121245348 has 48 divisors (see below), whose sum is σ = 572335959104. Its totient is φ = 80321155200.

The previous prime is 243121245347. The next prime is 243121245397. The reversal of 243121245348 is 843542121342.

243121245348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2431212453482 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243121245347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585423 + ... + 910473.

Almost surely, 2243121245348 is an apocalyptic number.

It is an amenable number.

243121245348 is an abundant number, since it is smaller than the sum of its proper divisors (329214713756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243121245348 is a wasteful number, since it uses less digits than its factorization.

243121245348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325612 (or 325610 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The spelling of 243121245348 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred forty-five thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 157 314 397 471 628 794 942 1191 1588 1884 2382 4764 62329 124658 186987 249316 325051 373974 650102 747948 975153 1300204 1950306 3900612 51033007 102066014 129045247 153099021 204132028 258090494 306198042 387135741 516180988 612396084 774271482 1548542964 20260103779 40520207558 60780311337 81040415116 121560622674 243121245348